*SUPPORT*
IN: dax dax kiki fep OUT: PURPLE PURPLE BLUE BLUE
IN: dax OUT: PURPLE
IN: dax kiki tufa fep OUT: PURPLE BLUE GREEN GREEN
IN: tufa OUT: GREEN
IN: dax gazzer wif OUT: PURPLE YELLOW
IN: wif OUT: YELLOW
IN: kiki zup OUT: BLUE BLUE
IN: wif kiki fep OUT: YELLOW BLUE BLUE
IN: dax zup OUT: PURPLE PURPLE
IN: wif gazzer dax OUT: YELLOW PURPLE
IN: kiki gazzer dax OUT: BLUE PURPLE
IN: dax gazzer tufa OUT: PURPLE GREEN
IN: dax dax wif zup OUT: PURPLE PURPLE YELLOW YELLOW
IN: wif gazzer wif OUT: YELLOW YELLOW

*QUERY*
IN: tufa gazzer wif OUT: GREEN YELLOW
IN: kiki OUT: BLUE
IN: tufa zup OUT: GREEN GREEN
IN: tufa tufa gazzer tufa OUT: GREEN GREEN GREEN
IN: tufa fep OUT: GREEN GREEN
IN: tufa gazzer kiki OUT: GREEN BLUE
IN: wif wif gazzer dax OUT: YELLOW YELLOW PURPLE
IN: tufa wif fep OUT: GREEN YELLOW YELLOW
IN: kiki fep OUT: BLUE BLUE
IN: wif gazzer tufa OUT: YELLOW GREEN

*GRAMMAR*
kiki -> BLUE 
 wif -> YELLOW 
 dax -> PURPLE 
 tufa -> GREEN 
 u1 zup -> [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 